.login{
    position: fixed;
    left: 50%;
    top: 0%;
    transform: translate(-50%,50%);
}

.login input {
    width: 300px;
    height: 35px;
    border-radius: 5px;
    outline: none;
    border:1px solid #ccc;
    padding: 0 10px;
    font-size: 14px;
}
.item {
    margin: 15px 0;
}
.item button {
    width: 100%;
    box-sizing: border-box;
    border:1px solid #ccc;
    height: 40px;
    font-size: 1.4em;
    cursor: pointer;
    border-radius: 4px;
    background-color: #008c8c;
    color: #fff;
    outline: none;
}